Info from Cisco:
Check out:
http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/sip7960/sipadm2/install.htm#xtocid941814
(1) Short problem description:
Documentation on how to dial a user having a SIP URI
(2) Longer problem description (what happens):
Information is missing about how to make a
call to a SIP URI.
(3) Possible solution (what did you expect):
Information in the documentation on how this works.
(5) Workaround used currently (if applicable):
When the ATA or 7960 is running SIP, you type
in the userid of the person you want to call and press the # key to
make
the call.
(7) Would you classify this as:
(C) Bug/malfunction: Ok to
deploy with workaround (see 5)
(9) Contact information
Ken Crozier" <kcrozier@SPAM.cisco.com>
(11) Report:
http://wwwin-cons.cisco.com/~kcrozier/sip.html